Stock-Based Compensation and Equity Grants - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024
Number of Shares
Options outstanding, beginning (in shares)	1,237
Granted (in shares)	0
Exercised (in shares)	0
Cancelled (in shares)	(50)
Options outstanding, ending (in shares)	1,187	1,237
Weighted Average Exercise Price
Options outstanding, beginning (in dollars per share)	$ 9.28
Granted (in dollars per share)	0
Exercised (in dollars per share)	0
Cancelled (in dollars per share)	16.01
Options outstanding, ending (in dollars per share)	$ 9.31	$ 9.28
Weighted Average Remaining Contractual Term
Weighted Average Remaining Contractual Term	5 years 9 months 18 days	6 years 1 month 6 days
Aggregate Intrinsic Value
Aggregate Intrinsic Value	$ 652	$ 1,313
Vested and exercisable (in shares)	1,127
Vested and exercisable, weighted average exercise price (in dollars per share)	$ 9.07
Vested and exercisable, weighted average remaining contractual term (in years)	5 years 8 months 12 days
Vested and exercisable, intrinsic value	$ 652